Driver Side Junction Block (Body No. 2 Control System): Pre-Check

DTC CHECK (Using LEXUS hand-held tester)
1. Prepare the LEXUS hand-held tester.
2. Connect the LEXUS hand-held to DLC3.
3. Turn the ignition switch ON and the LEXUS hand-held tester main switch ON.
4. Use the LEXUS hand-held tester to check the DTCs, note them down. For opening instructions, see the LEXUS hand-held tester's instruction book.
5. See DIAGNOSTIC TROUBLE CODE CHART , to confirm the details of the DLC3.
  
  Fig 1: Connecting LEXUS Hand-Held Tester To DLC3
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
DTC CLEARANCE
DTC will be cleared when the trouble output to DTC is recovered normally.